Bracket adapter



FIG. 1 is a front view of a bracket adapter showing my new design;

FIG. 2 is a left view thereof;

FIG. 3 is a right view thereof;

FIG. 4 is a top view thereof;

FIG. 5 is a bottom view thereof;

FIG. 6 is a rear view thereof;

FIG. 7 is a first perspective view;

FIG. 8 is a second perspective view; and,

FIG. 9 is a third perspective view.

The broken lines in the drawing depict environmental subject matter only and form no part of the claimed design. 

The ornamental design for a bracket adapter, as shown and described. 